A Current of 250 $\to$ MnO₂(s)+ 4H⁺(aq)+ 2e^-
What Mass of MnO₂ Is Deposited

question 45

Multiple Choice

A current of 250.A flows for 24.0 hours at an anode where the reaction occurring is
Mn²⁺(aq) + 2H₂O(l) $\to$ MnO₂(s) + 4H⁺(aq) + 2e^-
What mass of MnO₂ is deposited at this anode?

• A)19.5 kg
• B)12.9 kg
• C)4.87 kg
• D)2.43 kg
• E)None of these choices is correct.

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